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Datei: setclasspath.sh Sprache: Shell

Original von: Apache^©

#!/bin/sh

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# -----------------------------------------------------------------------------
#  Set JAVA_HOME or JRE_HOME if not already set, ensure any provided settings
#  are valid and consistent with the selected start-up options.
# -----------------------------------------------------------------------------

# Make sure prerequisite environment variables are set
if [ -z "$JAVA_HOME" ] && [ -z "$JRE_HOME" ]; then
  if $darwin; then
    # Bugzilla 54390
    if [ -x '/usr/libexec/java_home' ] ; then
      export JAVA_HOME=`/usr/libexec/java_home`
    # Bugzilla 37284 (reviewed).
    elif [ -d "/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home" ]; then
      export JAVA_HOME="/System/Library/Frameworks/JavaVM.framework/Versions/CurrentJDK/Home"
    fi
  else
    JAVA_PATH=`which java 2>/dev/null`
    if [ "x$JAVA_PATH" != "x" ]; then
      JAVA_PATH=`dirname "$JAVA_PATH" 2>/dev/null`
      JRE_HOME=`dirname "$JAVA_PATH" 2>/dev/null`
    fi
    if [ "x$JRE_HOME" = "x" ]; then
      # XXX: Should we try other locations?
      if [ -x /usr/bin/java ]; then
        JRE_HOME=/usr
      fi
    fi
  fi
  if [ -z "$JAVA_HOME" ] && [ -z "$JRE_HOME" ]; then
    echo "Neither the JAVA_HOME nor the JRE_HOME environment variable is defined"
    echo "At least one of these environment variable is needed to run this program"
    exit 1
  fi
fi
if [ -z "$JAVA_HOME" ] && [ "$1" = "debug" ]; then
  echo "JAVA_HOME should point to a JDK in order to run in debug mode."
  exit 1
fi

# If we're running under jdb, we need a full jdk.
if [ "$1" = "debug" ] ; then
  if [ "$os400" = "true" ]; then
    if [ ! -x "$JAVA_HOME"/bin/java ] || [ ! -x "$JAVA_HOME"/bin/javac ]; then
      echo "The JAVA_HOME environment variable is not defined correctly"
      echo "JAVA_HOME=$JAVA_HOME"
      echo "This environment variable is needed to run this program"
      echo "NB: JAVA_HOME should point to a JDK not a JRE"
      exit 1
    fi
  else
    if [ ! -x "$JAVA_HOME"/bin/java ] || [ ! -x "$JAVA_HOME"/bin/jdb ] || [ ! -x "$JAVA_HOME"/bin/javac ]; then
      echo "The JAVA_HOME environment variable is not defined correctly"
      echo "JAVA_HOME=$JAVA_HOME"
      echo "This environment variable is needed to run this program"
      echo "NB: JAVA_HOME should point to a JDK not a JRE"
      exit 1
    fi
  fi
fi

if [ -z "$JRE_HOME" ]; then
  # JAVA_HOME_MUST be set
  if [ ! -x "$JAVA_HOME"/bin/java ]; then
    echo "The JAVA_HOME environment variable is not defined correctly"
    echo "JAVA_HOME=$JAVA_HOME"
    echo "This environment variable is needed to run this program"
    echo "NB: JAVA_HOME should point to a JDK not a JRE"
    exit 1
  fi
  JRE_HOME="$JAVA_HOME"
else
  if [ ! -x "$JRE_HOME"/bin/java ]; then
    echo "The JRE_HOME environment variable is not defined correctly"
    echo "JRE_HOME=$JRE_HOME"
    echo "This environment variable is needed to run this program"
    exit 1
  fi
fi

# Set standard commands for invoking Java, if not already set.
if [ -z "$_RUNJAVA" ]; then
  _RUNJAVA="$JRE_HOME"/bin/java
fi
if [ "$os400" != "true" ]; then
  if [ -z "$_RUNJDB" ]; then
    _RUNJDB="$JAVA_HOME"/bin/jdb
  fi
fi

¤ Dauer der Verarbeitung: 0.22 Sekunden (vorverarbeitet) ¤

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